FM 23-8 U.S. Rifle 7.62-MM, M14 1965-05-07
"This manual is a guide for commanders and instructors in presenting instruction in the mechanical operation of the M14 and M14E2 rifles. It includes a detailed description of the rifle and its general characteristics; procedures for detailed disassembly and assembly; an explanation of functioning; a discussion of the types of stoppages and the immediate action applied to reduce them; a description of the ammunition; and instructions on the care, cleaning, and handling of each weapon and its ammunition."
Digitized by the Combined Arms Research Library Digital Library, US Army Combined Arms Center.
http://cgsc.cdmhost.com/cdm/